Currently MobLab testing tests new MobLab images against old DUT images.

We need to test the opposite as well which would be a MobLab test against the last released MobLab version against the newest DUT image. This test should file bugs to the appropriate parties when it fails.

We can update moblab_RunSuite to test stable against LATEST, the trickier part will be scheduling this test. We can likely configure suite_scheduler to allow this.